Circuit breaker



FIG. 1 is a isometric view of a first embodiment of the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a isometric view of a second embodiment of the new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left view thereof;

FIG. 12 is a right view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a isometric view of a third embodiment of the new design;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a left view thereof;

FIG. 19 is a right view thereof;

FIG. 20 is a top view thereof;

FIG. 21 is a bottom view thereof;

FIG. 22 is a isometric view of a fourth embodiment of the new design;

FIG. 23 is a front view thereof;

FIG. 24 is a rear view thereof;

FIG. 25 is a left view thereof;

FIG. 26 is a right view thereof;

FIG. 27 is a top view thereof;

FIG. 28 is a bottom view thereof;

FIG. 29 is a isometric view of a fifth embodiment of the new design;

FIG. 30 is a front view thereof;

FIG. 31 is a rear view thereof;

FIG. 32 is a left view thereof;

FIG. 33 is a right view thereof;

FIG. 34 is a top view thereof; and,

FIG. 35 is a bottom view thereof.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for circuit breaker, as shown and described. 